CN100474438C - 容短接存储单元的电阻交叉点阵列 - Google Patents

容短接存储单元的电阻交叉点阵列 Download PDF

Info

Publication number
CN100474438C
CN100474438C CNB021248966A CN02124896A CN100474438C CN 100474438 C CN100474438 C CN 100474438C CN B021248966 A CNB021248966 A CN B021248966A CN 02124896 A CN02124896 A CN 02124896A CN 100474438 C CN100474438 C CN 100474438C
Authority
CN
China
Prior art keywords
resistance
storage unit
storage element
storage
bit line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CNB021248966A
Other languages
English (en)
Chinese (zh)
Other versions
CN1393887A (zh
Inventor
J·H·尼克尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of CN1393887A publication Critical patent/CN1393887A/zh
Application granted granted Critical
Publication of CN100474438C publication Critical patent/CN100474438C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10BELECTRONIC MEMORY DEVICES
    • H10B61/00Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/14Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
    • G11C11/15Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements using multiple magnetic layers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
    • G11C11/161Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect details concerning the memory cell structure, e.g. the layers of the ferromagnetic memory cell
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
    • G11C11/165Auxiliary circuits
    • G11C11/1673Reading or sensing circuits or methods
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C13/00Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/0002Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
    • G11C13/0009RRAM elements whose operation depends upon chemical change
    • G11C13/0014RRAM elements whose operation depends upon chemical change comprising cells based on organic memory material
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C13/00Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/0002Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
    • G11C13/0009RRAM elements whose operation depends upon chemical change
    • G11C13/0014RRAM elements whose operation depends upon chemical change comprising cells based on organic memory material
    • G11C13/0016RRAM elements whose operation depends upon chemical change comprising cells based on organic memory material comprising polymers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C17/00Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
    • G11C17/14Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM
    • G11C17/16Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM using electrically-fusible links
    • G11C17/165Memory cells which are electrically programmed to cause a change in resistance, e.g. to permit multiple resistance steps to be programmed rather than conduct to or from non-conduct change of fuses and antifuses
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00Galvanomagnetic devices
    • H10N50/01Manufacture or treatment
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C13/00Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/0002Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
    • G11C13/0004Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements comprising amorphous/crystalline phase transition cells
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C17/00Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
    • G11C17/14Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM
    • G11C17/16Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM using electrically-fusible links
CNB021248966A 2001-06-22 2002-06-24 容短接存储单元的电阻交叉点阵列 Expired - Lifetime CN100474438C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/887314 2001-06-22
US09/887,314 US6633497B2 (en) 2001-06-22 2001-06-22 Resistive cross point array of short-tolerant memory cells

Publications (2)

Publication Number Publication Date
CN1393887A CN1393887A (zh) 2003-01-29
CN100474438C true CN100474438C (zh) 2009-04-01

Family

ID=25390895

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB021248966A Expired - Lifetime CN100474438C (zh) 2001-06-22 2002-06-24 容短接存储单元的电阻交叉点阵列

Country Status (6)

Country Link
US (1) US6633497B2 (fr)
EP (1) EP1271546A3 (fr)
JP (1) JP4334824B2 (fr)
KR (1) KR100878478B1 (fr)
CN (1) CN100474438C (fr)
TW (1) TWI258214B (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030023922A1 (en) * 2001-07-25 2003-01-30 Davis James A. Fault tolerant magnetoresistive solid-state storage device
DE10153310A1 (de) 2001-10-29 2003-05-22 Infineon Technologies Ag Photolithographisches Strukturierungsverfahren mit einer durch ein plasmaunterstützes Abscheideeverfahren hergestellten Kohlenstoff-Hartmaskenschicht diamantartiger Härte
JP3768504B2 (ja) * 2002-04-10 2006-04-19 松下電器産業株式会社 不揮発性フリップフロップ
US6815248B2 (en) * 2002-04-18 2004-11-09 Infineon Technologies Ag Material combinations for tunnel junction cap layer, tunnel junction hard mask and tunnel junction stack seed layer in MRAM processing
US6834008B2 (en) * 2002-08-02 2004-12-21 Unity Semiconductor Corporation Cross point memory array using multiple modes of operation
TW578149B (en) * 2002-09-09 2004-03-01 Ind Tech Res Inst High density magnetic random access memory
US6768150B1 (en) * 2003-04-17 2004-07-27 Infineon Technologies Aktiengesellschaft Magnetic memory
US6873543B2 (en) * 2003-05-30 2005-03-29 Hewlett-Packard Development Company, L.P. Memory device
CN100541819C (zh) * 2003-06-24 2009-09-16 国际商业机器公司 用于磁性随机存取存储装置的自对准导电线及其形成方法
US7286378B2 (en) * 2003-11-04 2007-10-23 Micron Technology, Inc. Serial transistor-cell array architecture
US7064970B2 (en) * 2003-11-04 2006-06-20 Micron Technology, Inc. Serial transistor-cell array architecture
US6969895B2 (en) * 2003-12-10 2005-11-29 Headway Technologies, Inc. MRAM cell with flat topography and controlled bit line to free layer distance and method of manufacture
US7038231B2 (en) * 2004-04-30 2006-05-02 International Business Machines Corporation Non-planarized, self-aligned, non-volatile phase-change memory array and method of formation
US7084024B2 (en) * 2004-09-29 2006-08-01 International Business Machines Corporation Gate electrode forming methods using conductive hard mask
US7765676B2 (en) * 2004-11-18 2010-08-03 Hitachi Global Storage Technologies Netherlands B.V. Method for patterning a magnetoresistive sensor
US7196955B2 (en) * 2005-01-12 2007-03-27 Hewlett-Packard Development Company, L.P. Hardmasks for providing thermally assisted switching of magnetic memory elements
JP5289307B2 (ja) * 2006-06-02 2013-09-11 スルザー メタプラス ゲーエムベーハー 基板ホルダーによる金属汚染を防止する方法
US7382647B1 (en) 2007-02-27 2008-06-03 International Business Machines Corporation Rectifying element for a crosspoint based memory array architecture
US7929335B2 (en) * 2007-06-11 2011-04-19 International Business Machines Corporation Use of a symmetric resistive memory material as a diode to drive symmetric or asymmetric resistive memory
JP5268424B2 (ja) * 2008-05-16 2013-08-21 株式会社東芝 X線ct装置
US8470646B2 (en) * 2008-12-31 2013-06-25 Sandisk 3D Llc Modulation of resistivity in carbon-based read-writeable materials
US8623735B2 (en) 2011-09-14 2014-01-07 Globalfoundries Inc. Methods of forming semiconductor devices having capacitor and via contacts
US9178009B2 (en) 2012-10-10 2015-11-03 Globalfoundries Inc. Methods of forming a capacitor and contact structures
US8809149B2 (en) 2012-12-12 2014-08-19 Globalfoundries Inc. High density serial capacitor device and methods of making such a capacitor device
WO2017131653A1 (fr) * 2016-01-27 2017-08-03 Hewlett Packard Enterprise Development Lp Transposition in situ
US10840441B2 (en) 2018-09-14 2020-11-17 International Business Machines Corporation Diamond-like carbon hardmask for MRAM
CN113841248A (zh) * 2018-12-17 2021-12-24 芯成半导体(开曼)有限公司 自旋轨道扭矩磁存储器阵列及其制造
US10930843B2 (en) 2018-12-17 2021-02-23 Spin Memory, Inc. Process for manufacturing scalable spin-orbit torque (SOT) magnetic memory

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3761896A (en) * 1972-04-18 1973-09-25 Ibm Memory array of cells containing bistable switchable resistors
JP2785678B2 (ja) * 1994-03-24 1998-08-13 日本電気株式会社 スピンバルブ膜およびこれを用いた再生ヘッド
US6590750B2 (en) * 1996-03-18 2003-07-08 International Business Machines Corporation Limiting magnetoresistive electrical interaction to a preferred portion of a magnetic region in magnetic devices
US5861328A (en) * 1996-10-07 1999-01-19 Motorola, Inc. Method of fabricating GMR devices
US5981297A (en) * 1997-02-05 1999-11-09 The United States Of America As Represented By The Secretary Of The Navy Biosensor using magnetically-detected label
US6169686B1 (en) * 1997-11-20 2001-01-02 Hewlett-Packard Company Solid-state memory with magnetic storage cells
US6259644B1 (en) * 1997-11-20 2001-07-10 Hewlett-Packard Co Equipotential sense methods for resistive cross point memory cell arrays
US5991193A (en) * 1997-12-02 1999-11-23 International Business Machines Corporation Voltage biasing for magnetic ram with magnetic tunnel memory cells
KR100620155B1 (ko) * 1998-07-15 2006-09-04 인피니언 테크놀로지스 아게 메모리 엘리먼트의 전기 저항이 정보 유닛을 나타내고 자계에 의해 영향받을 수 있는, 메모리 셀 시스템 및 그 제조 방법
US6055178A (en) * 1998-12-18 2000-04-25 Motorola, Inc. Magnetic random access memory with a reference memory array
JP2001067862A (ja) * 1999-09-01 2001-03-16 Sanyo Electric Co Ltd 磁気メモリ素子
US6331944B1 (en) * 2000-04-13 2001-12-18 International Business Machines Corporation Magnetic random access memory using a series tunnel element select mechanism
US6456525B1 (en) * 2000-09-15 2002-09-24 Hewlett-Packard Company Short-tolerant resistive cross point array
US6611453B2 (en) * 2001-01-24 2003-08-26 Infineon Technologies Ag Self-aligned cross-point MRAM device with aluminum metallization layers
JP5013494B2 (ja) * 2001-04-06 2012-08-29 ルネサスエレクトロニクス株式会社 磁性メモリの製造方法
JP4405103B2 (ja) * 2001-04-20 2010-01-27 株式会社東芝 半導体記憶装置

Also Published As

Publication number Publication date
JP2003068994A (ja) 2003-03-07
KR20030011240A (ko) 2003-02-07
JP4334824B2 (ja) 2009-09-30
US20020196647A1 (en) 2002-12-26
KR100878478B1 (ko) 2009-01-14
CN1393887A (zh) 2003-01-29
EP1271546A2 (fr) 2003-01-02
EP1271546A3 (fr) 2004-05-06
US6633497B2 (en) 2003-10-14
TWI258214B (en) 2006-07-11

Similar Documents

Publication Publication Date Title
CN100474438C (zh) 容短接存储单元的电阻交叉点阵列
US6778421B2 (en) Memory device array having a pair of magnetic bits sharing a common conductor line
US7136300B2 (en) Magnetic memory device including groups of series-connected memory elements
US6885573B2 (en) Diode for use in MRAM devices and method of manufacture
US6456525B1 (en) Short-tolerant resistive cross point array
CN1213453C (zh) 包含阻塞寄生路径电流的共享设备的交叉点存储器阵列
US6781910B2 (en) Small area magnetic memory devices
US20050180203A1 (en) Segmented MRAM memory array
US8767446B2 (en) Multi-bit spin-momentum-transfer magnetoresistence random access memory with single magnetic-tunnel-junction stack
US6944049B2 (en) Magnetic tunnel junction memory cell architecture
US7715228B2 (en) Cross-point magnetoresistive memory
US6803616B2 (en) Magnetic memory element having controlled nucleation site in data layer
US6567300B1 (en) Narrow contact design for magnetic random access memory (MRAM) arrays
KR100802056B1 (ko) 터널 접합 복원 방법
KR100979350B1 (ko) 마그네틱 램 및 그 제조 방법
US7787289B2 (en) MRAM design with local write conductors of reduced cross-sectional area

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
ASS Succession or assignment of patent right

Owner name: SAMSUNG ELECTRONICS CO., LTD

Free format text: FORMER OWNER: HEWLETT-PACKARD DEVELOPMENT COMPANY

Effective date: 20071228

C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20071228

Address after: Gyeonggi Do, South Korea

Applicant after: SAMSUNG ELECTRONICS Co.,Ltd.

Address before: California, USA

Applicant before: Hewlett-Packard Co.

C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20090401

CX01 Expiry of patent term